Waller, R. (1982). Using typography to improve access and understanding. In D. H. Jonassen (Eds.), The technology of text. New Jersey: Educational Technology Publications.
Wong, D. (2010). The Wall Street Journal Guide to Information Graphics. New York: Norton.
Wright, P. (2015). Designing information for the workplace. In J. Frascara (Eds.), Information design as principled action. (pp. 67—74). Illinois: Common Ground Publishing.